Moving oxygen cylinders

Workers A and B are replacing oxygen cylinders in a cylinder installation yard. Worker A is now taking down an empty cylinder weighing 50 kg, while Worker B is kicking off a new cylinder to move it to the yard. It is charged with oxygen at the pressure ratio of 150 kg/square cm.

Various Points of Hazard
1.	The two workers do not use a special cart for transporting gas cylinders. There is the danger of damage to both the workers and the cylinders alike.
2.	If a highly pressurized gas cylinder is rolled over the ground, there is always the danger of gas leakage.

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